Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
dan thuat » dan thuc, va thuat, dan hoat
thuat cao » thuat co, thuat bao, thuat cam
ho chieu » hoc thieu, doi chieu, mot chieu
trung ha » trung hoc, trung tam, trung cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (ho chieu)) sach - thanh trung ha ((hang cong) or (dang cong)) dan thuat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh trung ha ((hang cong) OR (dang cong)) dan thuat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - thanh trung ha ((hang cong) or (dang cong)) dan thuat cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - thanh trung ha ((hang cong) or (dang cong)) dan thuat cao*.